beyonce took center stage at president obama's inauguration. ♪ and the rockets' red glare >> reporter: and chose not to sing live but to a prerecorded track of her voice performing the national anthem. critics wondered why when other performers that day sang live. >> due to the weather, due to the delay, due to no proper sound check, i did not feel comfortable taking a risk. >> reporter: so what does she do now? two weeks later standing in the spotlight once again. ♪ >> reporter: backed by an all girl band, the singing superstar seemed to silence her critics by tearing through her biggest hits, including "crazy in love" and "baby boy." when her former destiny's child members, kelly roland and michelle williams, joined her, super bowl watchers from new york to l.a. dance ed and sang along with "b." by the reaction, lip sync gate is all but forgotten. >> she was phenomenal. >> reporter: you thought so? >> absolutely phenomenal. for someone singing live, that was amazing. >> she fell down after inauguration, but she came up and made up for it. can't be mad no more. it's over. she threw